Answer:
Circle A will be similar to circle B when circle A is dilated by a scale factor of 4.
No estoy segura pero 2.5 (half of the box that is 5cm)
Exact Form : 5/2
Decimal Form : 2.5
Mixed number Form : 2 1/2
If you're solving for a, you would add 32 to both sides
2a=32
then you would divide by 2
a=16